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Your online destination for news articles on planets, cosmology, NASA, space missions, and more. You’ll also find information on how to observe upcoming visible sky events such as meteor showers, solar and lunar eclipses, key planetary appearances, comets, and asteroids.
 | A new analysis shows that dark energy, the engine driving the universe's speeding expansion, may be changing fast. Cosmologists aren't buying it — yet. By Francis Reddy
Published: January 30, 2006 |
 | The spacecraft that gave scientists their first view of the magnetic field around Earth has fallen silent. By Matthew Quandt
Published: January 30, 2006 |
 | A colossal asteroid's breakup millions of years ago spread a profusion of extraterrestrial dust onto Earth's surface. By Laura Layton
Published: January 27, 2006 |
 | In just 3 months, the SDSS had added significantly to the supernova tally. By Liz Kruesi
Published: January 23, 2006 |
 | Will ion propulsion replace engine thrusters on future deep-space missions? By Laura Layton
Published: January 20, 2006 |
 | A new image may lead astronomers to the furnace that heats the gas throughout space. By Matt Quandt
Published: January 20, 2006 |
 | With liftoff a success, New Horizons will spend the next 9 years en route to small, icy Pluto. By Laura Layton
Published: January 19, 2006 |
 | Nano-scale diamonds illuminate a long-standing astronomical mystery. By Francis Reddy
Published: January 17, 2006 |
 | After nearly 7 years in space, NASA's Stardust mission fulfilled its destiny and returned comet particles to Earth. By Jeremy McGovern
Published: January 15, 2006 |
 | Amateur astronomers can join in the hunt for Stardust's microscopic cargo. By Tracy Staedter
Published: January 13, 2006 |
 | NASA's GALEX observatory discovers an extended starry disk around the Cartwheel Galaxy. The new addition makes the Cartwheel more than twice the Milky Way's size. By Francis Reddy
Published: January 13, 2006 |
 | The Sloan Digital Sky Survey reveals a Milky Way satellite preparing to merge. By Francis Reddy
Published: January 12, 2006 |
 | Astronomers may now be able to identify a long-past supernova event's age, location, and, ultimately, type. By Laura Layton
Published: January 11, 2006 |
 | NASA Administrator Griffin warns the agency's redirection will mean less money for research. By Francis Reddy
Published: January 11, 2006 |
 | As the Magellanic Clouds plow through the Milky Way's dark matter, they set our galaxy's disk in motion. By Francis Reddy
Published: January 10, 2006 |
 | Astronomers glimpse a Sun-like star orbiting in Polaris' glare. By Francis Reddy
Published: January 10, 2006 |
 | Astronomers take Pluto's temperature while others measure the weight of its moon Charon. By Jeremy McGovern
Published: January 5, 2006 |
 | Researchers find the galactic spiral arm nearest to where the Sun resides is closer than they thought. By Laura Baird
Published: January 4, 2006 |
 | The largest European industrial ground-based astronomy contract will allow ALMA to study cool gas and dust, the remnants of the Big Bang. By Laura Layton
Published: January 4, 2006 |
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